Event: Club Championship

PDF Excel

Opponent	Rating	Result
Ron Plater	0	0 - 1
Simon Matthews	0	0 - 1
Steve Burnell	0	0 - 1
Phil H Jackson	0	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

-400 = (0 + 400 * (0 - 4)) / 4)